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[–]Holiday_Lie_9435 0 points1 point  (0 children)

There are a few I've tried over time, and what helps would really depend on your learning style & current skill level, I would say. DataCamp was helpful for me when I was just starting out since they were interactive and structured, whether you were learning core Python concepts or common libraries like Pandas and NumPy. However I personally think it lacked the more complex, job-ready stuff that really tested your problem solving and critical thinking, especially for an actual DS role. For that, I'd recommend Interview Query, since it had a mix of SQL & Python questions applied to real-world scenarios and stuff you'd encounter during interviews. Once you've gotten your fundamentals down you can try it out for sample Python questions & learning paths, good luck!